From: José Roberto de Souza <jose.souza@xxxxxxxxx>
On Tiger Lake there is one more pipe - check if it's fused.
Signed-off-by: José Roberto de Souza <jose.souza@xxxxxxxxx>
Signed-off-by: Lucas De Marchi <lucas.demarchi@xxxxxxxxx>
---
drivers/gpu/drm/i915/i915_reg.h | 1 +
drivers/gpu/drm/i915/intel_device_info.c | 3 +++
2 files changed, 4 insertions(+)
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index a63a337eec2c..95fdc8dbca31 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -7618,6 +7618,7 @@ enum {
#define SKL_DFSM_PIPE_A_DISABLE (1 << 30)
#define SKL_DFSM_PIPE_B_DISABLE (1 << 21)
#define SKL_DFSM_PIPE_C_DISABLE (1 << 28)
+#define TGL_DFSM_PIPE_D_DISABLE (1 << 22)
#define SKL_DSSM _MMIO(0x51004)
#define CNL_DSSM_CDCLK_PLL_REFCLK_24MHz (1 << 31)
diff --git a/drivers/gpu/drm/i915/intel_device_info.c b/drivers/gpu/drm/i915/intel_device_info.c
index e0d9a7a37994..f99c9fd497b2 100644
--- a/drivers/gpu/drm/i915/intel_device_info.c
+++ b/drivers/gpu/drm/i915/intel_device_info.c
@@ -938,6 +938,9 @@ void intel_device_info_runtime_init(struct drm_i915_private *dev_priv)
enabled_mask &= ~BIT(PIPE_B);
if (dfsm & SKL_DFSM_PIPE_C_DISABLE)
enabled_mask &= ~BIT(PIPE_C);
+ if (INTEL_GEN(dev_priv) >= 12 &&
+ (dfsm & TGL_DFSM_PIPE_D_DISABLE))
+ enabled_mask &= ~BIT(PIPE_D);
/*
* At least one pipe should be enabled and if there are
--
2.21.0
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